<template>
  <div class="employees-container">
    <div class="app-container">
      <page-tools>
        <template #left>
          <span>总的记录数据:XX条</span>
        </template>

        <template #right>
          <el-button type="warning">导入excel</el-button>
          <el-button type="danger" @click="exportToExcel">导出excel</el-button>
          <el-button type="primary" @click="showDialog=true">新增员工</el-button>
        </template>
      </page-tools>

      <el-card style="margin-top: 10px;">
        <el-table border :data="list" :default-sort="{prop: 'timeOfEntry', order: 'descending'}">
          <el-table-column label="序号" type="index" />
          <el-table-column label="姓名" prop="username" />
          <el-table-column label="工号" prop="workNumber" sortable />
          <el-table-column label="聘用形式" prop="formOfEmployment">
            <template #default="{row}">
              {{ formatHireType(row.formOfEmployment) }}
            </template>
          </el-table-column>
          <el-table-column label="部门" prop="departmentName" />
          <el-table-column label="入职时间" prop="timeOfEntry" sortable />
          <!-- <el-table-column label="账户状态" />   -->
          <el-table-column label="操作" width="280">
            <template #default="{row}">
              <!-- $router.push(`/employees/detail?id=${row.id}`)   查询传参 -->
              <el-button type="text" size="small" @click="$router.push(`/employees/detail/${row.id}`)">查看</el-button>
              <el-button type="text" size="small">分配角色</el-button>
              <el-button type="text" size="small" @click="hDel(row.id)">删除</el-button>
            </template>
          </el-table-column>
        </el-table>
        <!-- 分页组件 -->
        <el-row type="flex" justify="center" align="middle" style="height: 60px">
          <el-pagination
            :current-page="page"
            :page-sizes="[5, 8, 10, 12]"
            :page-size="size"
            layout="total, sizes, prev, pager, next, jumper"
            :total="total"
            @size-change="handleSizeChange"
            @current-change="handleCurrentChange"
          />
        </el-row>
      </el-card>

      <el-dialog title="新增员工" :visible.sync="showDialog" @close="hClose">
        <add-or-edit ref="myDept" @success="hSuccess" />
      </el-dialog>
    </div>
  </div>
</template>

<script>
import { getEmployeeList, delEmployee } from '@/api/employees.js'
import employeesNum from '@/constant/employees'
import addOrEdit from '@/views/employees/empDialog.vue'
// const hireType = {}
// employeesNum.hireType.forEach(item => {
//   hireType[item.id] = item.value
// })
const hireType = employeesNum.hireType.reduce((acc, item) => {
  // item => {id:1,value:'正式'}
  acc[item.id] = item.value
  return acc
}, {})
export default {
  components: {
    addOrEdit
  },
  data() {
    return {
      list: [],
      page: 1,
      size: 7,
      total: 0,
      showDialog: false
    }
  },
  created() {
    this.loadEmployeeList()
  },
  methods: {
    exportToExcel() {
      const { tHeader, result } = this.formatToExcel(this.list)
      import('@/vendor/Export2Excel').then(excel => {
        excel.export_json_excel({
          Header: tHeader,
          data: result,
          filename: '',
          autoWidth: true,
          bookType: 'xlsx'
        })
      })
    },
    formatToExcel(list) {
      //    中引文的映射对象
      const mapInfo = {
        'id': '编号',
        'password': '密码',
        'mobile': '手机号',
        'username': '姓名',
        'timeOfEntry': '入职日期',
        'formOfEmployment': '聘用形式',
        'correctionTime': '转正日期',
        'workNumber': '工号',
        'departmentName': '部门',
        'staffPhoto': '头像地址'
      }

      // tHeader = ['编号','密码','手机号','姓名','入职日期',.......]
      // 1 生成表头
      // tHeader  ---> ['转正日期', '部门', '聘用形式', '编号', '手机号', '密码', '头像地址', '入职日期', '姓名', '工号']
      const one = list[0]
      if (!one) return
      const tHeader = Object.keys(one).map(en_key => {
        return mapInfo[en_key]
      })
      // 2 生成表的内容data
      const result = list.map(item => {
        return Object.values(item)
      })
      return { tHeader, result }
    },
    hDel(id) {
      this.$confirm('您确定删除吗?').then(async() => {
        const res = await delEmployee(id)
        if (this.list.length === 1) {
          this.page--
          if (this.page <= 0) {
            this.page = 1
          }
        }
        if (res.code === 10000) {
          this.loadEmployeeList()
        }
      }).catch(error => console.log(error))
    },
    hClose() {
      this.$refs.myDept.resetForm()
    },
    // 格式化聘用形式的数据
    formatHireType(value) {
      // value的值有可能是 1 || 2
      // 格式化的方式2 直接从转换的对象中根据键取值
      return hireType[value] || '未知'
    },
    hSuccess() {
      // 成功 ,关闭弹窗,刷新页面
      this.total++
      const maxPage = Math.ceil(this.total / this.size)
      this.page = maxPage
      this.showDialog = false
      this.loadEmployeeList()
    },
    handleSizeChange(val) {
      console.log(`每页 ${val} 条`)
      this.page = 1
      this.size = val
      this.loadEmployeeList()
    },
    handleCurrentChange(val) {
      console.log(`当前页: ${val}`)
      this.page = val
      this.loadEmployeeList()
    },
    async loadEmployeeList() {
      const res = await getEmployeeList(this.page, this.size)
      console.log(res)
      this.list = res.data.rows
      this.total = res.data.total
    }
  }
}
</script>
